Cool
Average highs are around 14°C, so pack for cooler days.
May verdict
Achill Island, Ireland in May
Weather score24Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 76mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
14°C
Rain
76mm
Sun
5.8h
Sea
11°C
Weather score
24
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 11°C, so the water can feel cool.
Map
Weather map
Compare Achill Island, Ireland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May14°C average high
May is close to Achill Island's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May76mm average rain
May is one of Achill Island's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsFebruary and April to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May5.8 hours average sun
May is one of Achill Island's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May11°C average sea
May is below Achill Island's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
May24 weather score
May scores above Achill Island's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.
